Differential pressure regulator



FIG. 1 is a front view of a differential pressure regulator showing our new design;

FIG. 2 is a rear view of the differential pressure regulator shown in FIG. 1;

FIG. 3 is a top plan view of the differential pressure regulator shown in FIG. 1;

FIG. 4 is a bottom plan view of the differential pressure regulator shown in FIG. 1;

FIG. 5 is a side view from one side of the differential pressure regulator shown in FIG. 1;

FIG. 6 is a side view of the other side of the differential pressure regulator shown in FIG. 1;

FIG. 7 is a perspective view from one side and below of the differential pressure regulator shown in FIG. 1; and,

FIG. 8 is a perspective view from the other side and above of the differential pressure regulator shown in FIG. 1. 

The ornamental design for a differential pressure regulator, as shown and described. 